1950930811 has 8 divisors (see below), whose sum is σ = 2054481920. Its totient is φ = 1847466792.

The previous prime is 1950930791. The next prime is 1950930851. The reversal of 1950930811 is 1180390591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1950930811 - 2¹³ = 1950922619 is a prime.

It is a super-2 number, since 2×1950930811² = 7612262058618235442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1950930851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27046 + ... + 68068.

It is an arithmetic number, because the mean of its divisors is an integer number (256810240).

Almost surely, 2^1950930811 is an apocalyptic number.

1950930811 is a deficient number, since it is larger than the sum of its proper divisors (103551109).

1950930811 is a wasteful number, since it uses less digits than its factorization.

1950930811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43545.

The product of its (nonzero) digits is 9720, while the sum is 37.

The square root of 1950930811 is about 44169.3424334119. The cubic root of 1950930811 is about 1249.5317309478.

The spelling of 1950930811 in words is "one billion, nine hundred fifty million, nine hundred thirty thousand, eight hundred eleven".